OOLITH

Etymology

Noun

oolith (plural ooliths)

(geology) A spherical granule of which oolite is composed, formed by concentric accretion of thin layers of a mineral around a core. Calcium carbonate (limestone) is the most common mineral that forms ooliths, but they may also form from other minerals such as dolomite and silica.

(rare) Oolite.

Anagrams

• tholoi

Source: Wiktionary

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